Jeffrey Duval (in English)
How can we introduce this event without looking back first? The first athlete who ever put his trust in us: Duval Jeffrey — our DJ on tour (see Instagram ). In April 2025, Jeffrey opened the door wide for us into the world of long-distance running. Taking part in the Prague Half Marathon, he became a huge source of inspiration for the whole group. It was his first attempt at the distance, before later proving to the SBNN Running Team that he was by far the strongest runner during the Karlovy Vary 10K. A performance that pushed us to continue as a team. Some were more consistent than others, but Jeffrey remained the undisputed leader. Closely followed by Bérenger — but that’s not today’s topic… After stringing together 10Ks with increasingly convincing results, Jeffrey decided to embark on a European tour. Registered for the Barcelona Half Marathon to kick off his 2026 season, there was no way we wouldn’t join him for this stage and travel there ourselves. You were used to our immersion...


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